AWS IAM Identity Center is the recommended method of providing AWS credentials when developing an AWS application on a non-AWS compute service. For example, this would be something like your local development environment. If you are developing on an AWS resource, such as Amazon Elastic Compute Cloud (Amazon EC2) or AWS Cloud9, we recommend getting credentials from that service instead.
In this tutorial, you establish IAM Identity Center access and will configure it for your SDK or tool by using the AWS access portal and the AWS CLI.
The AWS access portal is the web location where you manually sign in to the IAM Identity Center. The format of the URL is d-xxxxxxxxxx.awsapps.com/startor your_subdomain.awsapps.com/start
The AWS CLI is used to configure your SDK or tool to use IAM Identity Center authentication for API calls made by your code. This one-time process updates your shared AWS config file, that is then used by your SDK or tool when you run your code.
Before starting this procedure, you should have completed the following:
Configure programmatic access using IAM Identity Center Step 1: Establish access and select appropriate permission setChoose one of the following methods to access your AWS credentials.
Add a user and add administrative permissions by following the Configure user access with the default IAM Identity Center directory procedure in the AWS IAM Identity Center User Guide.
The AdministratorAccess permission set should not be used for regular development. Instead, we recommend using the predefined PowerUserAccess permission set, unless your employer has created a custom permission set for this purpose.
Follow the same Configure user access with the default IAM Identity Center directory procedure again, but this time:
Instead of creating the Admin teamDev team
You can use the existing user, but the user must be added to the new Dev team
Instead of creating the AdministratorAccessPowerUserAccess
When you are done, you should have the following:
A Dev team group.
An attached PowerUserAccess permission set to the Dev team group.
Your user added to the Dev team group.
Exit the portal and sign in again to see your AWS accounts and options for Administrator or PowerUserAccess. Select PowerUserAccess when working with your tool/SDK.
Sign in to AWS through your identity provider's portal. If your Cloud Administrator has granted you PowerUserAccess (developer) permissions, you see the AWS accounts that you have access to and your permission set. Next to the name of your permission set, you see options to access the accounts manually or programmatically using that permission set.
Custom implementations might result in different experiences, such as different permission set names. If you're not sure which permission set to use, contact your IT team for help.
Sign in to AWS through the AWS access portal. If your Cloud Administrator has granted you PowerUserAccess (developer) permissions, you see the AWS accounts that you have access to and your permission set. Next to the name of your permission set, you see options to access the accounts manually or programmatically using that permission set.
Contact your IT team for help.
Step 2: Configure SDKs and tools to use IAM Identity CenterOn your development machine, install the latest AWS CLI.
See Installing or updating the latest version of the AWS CLI in the AWS Command Line Interface User Guide.
(Optional) To verify that the AWS CLI is working, open a command prompt and run the aws --version command.
Sign in to the AWS access portal. Your employer may provide this URL or you may get it in an email following Step 1: Establish access. If not, find your AWS access portal URL on the Dashboard of https://console.aws.amazon.com/singlesignon/.
In the AWS access portal, in the Accounts tab, select the individual account to manage. The roles for your user are displayed. Choose Access keys to get credentials for command line or programmatic access for the appropriate permission set. Use the predefined PowerUserAccess permission set, or whichever permission set you or your employer has created to apply least-privilege permissions for development.
In the Get credentials dialog box, choose either MacOS and Linux or Windows, depending on your operating system.
Choose the IAM Identity Center credentials method to get the Issuer URL and SSO Region values that you need for the next step. Note: SSO Start URL can be used interchangeably with Issuer URL.
In the AWS CLI command prompt, run the aws configure sso command. When prompted, enter the configuration values that you collected in the previous step. For details on this AWS CLI command, see Configure your profile with the aws configure sso wizard.
For the prompt SSO Start URL, enter the value you obtained for Issuer URL.
For CLI profile name, we recommend entering default when you are getting started. For information about how to set non-default (named) profiles and their associated environment variable, see Profiles.
(Optional) In the AWS CLI command prompt, confirm the active session identity by running the aws sts get-caller-identity command. The response should show the IAM Identity Center permission set that you configured.
If you are using an AWS SDK, create an application for your SDK in your development environment.
For some SDKs, additional packages such as SSO and SSOOIDC must be added to your application before you can use IAM Identity Center authentication. For details, see your specific SDK.
If you previously configured access to AWS, review your shared AWS credentials file for any AWS access keys. You must remove any static credentials before the SDK or tool will use the IAM Identity Center credentials because of the Understand the credential provider chain precedence.
For a deep dive into how the SDKs and tools use and refresh credentials using this configuration, see How IAM Identity Center authentication is resolved for AWS SDKs and tools.
To configure IAM Identity Center provider settings directly in the shared config file, see IAM Identity Center credential provider in this guide.
Your access will eventually expire and the SDK or tool will encounter an authentication error. When this expiration occurs depends on your configured session lengths. To refresh the access portal session again when needed, use the AWS CLI to run the aws sso login command.
You can extend both the IAM Identity Center access portal session duration and the permission set session duration. This lengthens the amount of time that you can run code before you need to manually sign in again with the AWS CLI. For more information, see the following topics in the AWS IAM Identity Center User Guide:
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